diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt7988-infracfg.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt7988-infracfg.c | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt7988-infracfg.c b/drivers/clk/mediatek/clk-mt7988-infracfg.c new file mode 100644 index 0000000000..df02997c6b --- /dev/null +++ b/drivers/clk/mediatek/clk-mt7988-infracfg.c @@ -0,0 +1,275 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2023 MediaTek Inc. + * Author: Sam Shih <sam.shih@mediatek.com> + * Author: Xiufeng Li <Xiufeng.Li@mediatek.com> + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include "clk-mtk.h" +#include "clk-gate.h" +#include "clk-mux.h" +#include <dt-bindings/clock/mediatek,mt7988-clk.h> + +static DEFINE_SPINLOCK(mt7988_clk_lock); + +static const char *const infra_mux_uart0_parents[] __initconst = { "csw_infra_f26m_sel", + "uart_sel" }; + +static const char *const infra_mux_uart1_parents[] __initconst = { "csw_infra_f26m_sel", + "uart_sel" }; + +static const char *const infra_mux_uart2_parents[] __initconst = { "csw_infra_f26m_sel", + "uart_sel" }; + +static const char *const infra_mux_spi0_parents[] __initconst = { "i2c_sel", "spi_sel" }; + +static const char *const infra_mux_spi1_parents[] __initconst = { "i2c_sel", "spim_mst_sel" }; + +static const char *const infra_pwm_bck_parents[] __initconst = { "top_rtc_32p7k", + "csw_infra_f26m_sel", "sysaxi_sel", + "pwm_sel" }; + +static const char *const infra_pcie_gfmux_tl_ck_o_p0_parents[] __initconst = { + "top_rtc_32p7k", "csw_infra_f26m_sel", "csw_infra_f26m_sel", "pextp_tl_sel" +}; + +static const char *const infra_pcie_gfmux_tl_ck_o_p1_parents[] __initconst = { + "top_rtc_32p7k", "csw_infra_f26m_sel", "csw_infra_f26m_sel", "pextp_tl_p1_sel" +}; + +static const char *const infra_pcie_gfmux_tl_ck_o_p2_parents[] __initconst = { + "top_rtc_32p7k", "csw_infra_f26m_sel", "csw_infra_f26m_sel", "pextp_tl_p2_sel" +}; + +static const char *const infra_pcie_gfmux_tl_ck_o_p3_parents[] __initconst = { + "top_rtc_32p7k", "csw_infra_f26m_sel", "csw_infra_f26m_sel", "pextp_tl_p3_sel" +}; + +static const struct mtk_mux infra_muxes[] = { + /* MODULE_CLK_SEL_0 */ + MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_UART0_SEL, "infra_mux_uart0_sel", + infra_mux_uart0_parents, 0x0018, 0x0010, 0x0014, 0, 1, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_UART1_SEL, "infra_mux_uart1_sel", + infra_mux_uart1_parents, 0x0018, 0x0010, 0x0014, 1, 1, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_UART2_SEL, "infra_mux_uart2_sel", + infra_mux_uart2_parents, 0x0018, 0x0010, 0x0014, 2, 1, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_SPI0_SEL, "infra_mux_spi0_sel", infra_mux_spi0_parents, + 0x0018, 0x0010, 0x0014, 4, 1, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_SPI1_SEL, "infra_mux_spi1_sel", infra_mux_spi1_parents, + 0x0018, 0x0010, 0x0014, 5, 1, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_SPI2_SEL, "infra_mux_spi2_sel", infra_mux_spi0_parents, + 0x0018, 0x0010, 0x0014, 6, 1, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_SEL, "infra_pwm_sel", infra_pwm_bck_parents, 0x0018, + 0x0010, 0x0014, 14, 2, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK1_SEL, "infra_pwm_ck1_sel", infra_pwm_bck_parents, + 0x0018, 0x0010, 0x0014, 16, 2, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK2_SEL, "infra_pwm_ck2_sel", infra_pwm_bck_parents, + 0x0018, 0x0010, 0x0014, 18, 2, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK3_SEL, "infra_pwm_ck3_sel", infra_pwm_bck_parents, + 0x0018, 0x0010, 0x0014, 20, 2, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK4_SEL, "infra_pwm_ck4_sel", infra_pwm_bck_parents, + 0x0018, 0x0010, 0x0014, 22, 2, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK5_SEL, "infra_pwm_ck5_sel", infra_pwm_bck_parents, + 0x0018, 0x0010, 0x0014, 24, 2, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK6_SEL, "infra_pwm_ck6_sel", infra_pwm_bck_parents, + 0x0018, 0x0010, 0x0014, 26, 2, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK7_SEL, "infra_pwm_ck7_sel", infra_pwm_bck_parents, + 0x0018, 0x0010, 0x0014, 28, 2, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK8_SEL, "infra_pwm_ck8_sel", infra_pwm_bck_parents, + 0x0018, 0x0010, 0x0014, 30, 2, -1, -1, -1), + /* MODULE_CLK_SEL_1 */ + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PCIE_GFMUX_TL_O_P0_SEL, "infra_pcie_gfmux_tl_o_p0_sel", + infra_pcie_gfmux_tl_ck_o_p0_parents, 0x0028, 0x0020, 0x0024, 0, 2, -1, + -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PCIE_GFMUX_TL_O_P1_SEL, "infra_pcie_gfmux_tl_o_p1_sel", + infra_pcie_gfmux_tl_ck_o_p1_parents, 0x0028, 0x0020, 0x0024, 2, 2, -1, + -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PCIE_GFMUX_TL_O_P2_SEL, "infra_pcie_gfmux_tl_o_p2_sel", + infra_pcie_gfmux_tl_ck_o_p2_parents, 0x0028, 0x0020, 0x0024, 4, 2, -1, + -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PCIE_GFMUX_TL_O_P3_SEL, "infra_pcie_gfmux_tl_o_p3_sel", + infra_pcie_gfmux_tl_ck_o_p3_parents, 0x0028, 0x0020, 0x0024, 6, 2, -1, + -1, -1), +}; + +static const struct mtk_gate_regs infra0_cg_regs = { + .set_ofs = 0x10, + .clr_ofs = 0x14, + .sta_ofs = 0x18, +}; + +static const struct mtk_gate_regs infra1_cg_regs = { + .set_ofs = 0x40, + .clr_ofs = 0x44, + .sta_ofs = 0x48, +}; + +static const struct mtk_gate_regs infra2_cg_regs = { + .set_ofs = 0x50, + .clr_ofs = 0x54, + .sta_ofs = 0x58, +}; + +static const struct mtk_gate_regs infra3_cg_regs = { + .set_ofs = 0x60, + .clr_ofs = 0x64, + .sta_ofs = 0x68, +}; + +#define GATE_INFRA0_FLAGS(_id, _name, _parent, _shift, _flags) \ + GATE_MTK_FLAGS(_id, _name, _parent, &infra0_cg_regs, _shift, &mtk_clk_gate_ops_setclr, \ + _flags) + +#define GATE_INFRA1_FLAGS(_id, _name, _parent, _shift, _flags) \ + GATE_MTK_FLAGS(_id, _name, _parent, &infra1_cg_regs, _shift, &mtk_clk_gate_ops_setclr, \ + _flags) + +#define GATE_INFRA2_FLAGS(_id, _name, _parent, _shift, _flags) \ + GATE_MTK_FLAGS(_id, _name, _parent, &infra2_cg_regs, _shift, &mtk_clk_gate_ops_setclr, \ + _flags) + +#define GATE_INFRA3_FLAGS(_id, _name, _parent, _shift, _flags) \ + GATE_MTK_FLAGS(_id, _name, _parent, &infra3_cg_regs, _shift, &mtk_clk_gate_ops_setclr, \ + _flags) + +#define GATE_INFRA0(_id, _name, _parent, _shift) GATE_INFRA0_FLAGS(_id, _name, _parent, _shift, 0) + +#define GATE_INFRA1(_id, _name, _parent, _shift) GATE_INFRA1_FLAGS(_id, _name, _parent, _shift, 0) + +#define GATE_INFRA2(_id, _name, _parent, _shift) GATE_INFRA2_FLAGS(_id, _name, _parent, _shift, 0) + +#define GATE_INFRA3(_id, _name, _parent, _shift) GATE_INFRA3_FLAGS(_id, _name, _parent, _shift, 0) + +static const struct mtk_gate infra_clks[] = { + /* INFRA0 */ + GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P0, "infra_pcie_peri_ck_26m_ck_p0", + "csw_infra_f26m_sel", 7), + GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P1, "infra_pcie_peri_ck_26m_ck_p1", + "csw_infra_f26m_sel", 8), + GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P2, "infra_pcie_peri_ck_26m_ck_p2", + "infra_pcie_peri_ck_26m_ck_p3", 9), + GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P3, "infra_pcie_peri_ck_26m_ck_p3", + "csw_infra_f26m_sel", 10), + /* INFRA1 */ + GATE_INFRA1(CLK_INFRA_66M_GPT_BCK, "infra_hf_66m_gpt_bck", "sysaxi_sel", 0), + GATE_INFRA1(CLK_INFRA_66M_PWM_HCK, "infra_hf_66m_pwm_hck", "sysaxi_sel", 1), + GATE_INFRA1(CLK_INFRA_66M_PWM_BCK, "infra_hf_66m_pwm_bck", "infra_pwm_sel", 2), + GATE_INFRA1(CLK_INFRA_66M_PWM_CK1, "infra_hf_66m_pwm_ck1", "infra_pwm_ck1_sel", 3), + GATE_INFRA1(CLK_INFRA_66M_PWM_CK2, "infra_hf_66m_pwm_ck2", "infra_pwm_ck2_sel", 4), + GATE_INFRA1(CLK_INFRA_66M_PWM_CK3, "infra_hf_66m_pwm_ck3", "infra_pwm_ck3_sel", 5), + GATE_INFRA1(CLK_INFRA_66M_PWM_CK4, "infra_hf_66m_pwm_ck4", "infra_pwm_ck4_sel", 6), + GATE_INFRA1(CLK_INFRA_66M_PWM_CK5, "infra_hf_66m_pwm_ck5", "infra_pwm_ck5_sel", 7), + GATE_INFRA1(CLK_INFRA_66M_PWM_CK6, "infra_hf_66m_pwm_ck6", "infra_pwm_ck6_sel", 8), + GATE_INFRA1(CLK_INFRA_66M_PWM_CK7, "infra_hf_66m_pwm_ck7", "infra_pwm_ck7_sel", 9), + GATE_INFRA1(CLK_INFRA_66M_PWM_CK8, "infra_hf_66m_pwm_ck8", "infra_pwm_ck8_sel", 10), + GATE_INFRA1(CLK_INFRA_133M_CQDMA_BCK, "infra_hf_133m_cqdma_bck", "sysaxi_sel", 12), + GATE_INFRA1(CLK_INFRA_66M_AUD_SLV_BCK, "infra_66m_aud_slv_bck", "sysaxi_sel", 13), + GATE_INFRA1(CLK_INFRA_AUD_26M, "infra_f_faud_26m", "csw_infra_f26m_sel", 14), + GATE_INFRA1(CLK_INFRA_AUD_L, "infra_f_faud_l", "aud_l_sel", 15), + GATE_INFRA1(CLK_INFRA_AUD_AUD, "infra_f_aud_aud", "a1sys_sel", 16), + GATE_INFRA1(CLK_INFRA_AUD_EG2, "infra_f_faud_eg2", "a_tuner_sel", 18), + GATE_INFRA1_FLAGS(CLK_INFRA_DRAMC_F26M, "infra_dramc_f26m", "csw_infra_f26m_sel", 19, + CLK_IS_CRITICAL), + /* JTAG */ + GATE_INFRA1_FLAGS(CLK_INFRA_133M_DBG_ACKM, "infra_hf_133m_dbg_ackm", "sysaxi_sel", 20, + CLK_IS_CRITICAL), + GATE_INFRA1(CLK_INFRA_66M_AP_DMA_BCK, "infra_66m_ap_dma_bck", "sysaxi_sel", 21), + GATE_INFRA1(CLK_INFRA_66M_SEJ_BCK, "infra_hf_66m_sej_bck", "sysaxi_sel", 29), + GATE_INFRA1(CLK_INFRA_PRE_CK_SEJ_F13M, "infra_pre_ck_sej_f13m", "csw_infra_f26m_sel", 30), + /* INFRA2 */ + GATE_INFRA2(CLK_INFRA_26M_THERM_SYSTEM, "infra_hf_26m_therm_system", "csw_infra_f26m_sel", + 0), + GATE_INFRA2(CLK_INFRA_I2C_BCK, "infra_i2c_bck", "i2c_sel", 1), + GATE_INFRA2(CLK_INFRA_52M_UART0_CK, "infra_f_52m_uart0", "infra_mux_uart0_sel", 3), + GATE_INFRA2(CLK_INFRA_52M_UART1_CK, "infra_f_52m_uart1", "infra_mux_uart1_sel", 4), + GATE_INFRA2(CLK_INFRA_52M_UART2_CK, "infra_f_52m_uart2", "infra_mux_uart2_sel", 5), + GATE_INFRA2(CLK_INFRA_NFI, "infra_f_fnfi", "nfi1x_sel", 9), + GATE_INFRA2(CLK_INFRA_SPINFI, "infra_f_fspinfi", "spinfi_sel", 10), + GATE_INFRA2_FLAGS(CLK_INFRA_66M_NFI_HCK, "infra_hf_66m_nfi_hck", "sysaxi_sel", 11, + CLK_IS_CRITICAL), + GATE_INFRA2_FLAGS(CLK_INFRA_104M_SPI0, "infra_hf_104m_spi0", "infra_mux_spi0_sel", 12, + CLK_IS_CRITICAL), + GATE_INFRA2(CLK_INFRA_104M_SPI1, "infra_hf_104m_spi1", "infra_mux_spi1_sel", 13), + GATE_INFRA2(CLK_INFRA_104M_SPI2_BCK, "infra_hf_104m_spi2_bck", "infra_mux_spi2_sel", 14), + GATE_INFRA2_FLAGS(CLK_INFRA_66M_SPI0_HCK, "infra_hf_66m_spi0_hck", "sysaxi_sel", 15, + CLK_IS_CRITICAL), + GATE_INFRA2(CLK_INFRA_66M_SPI1_HCK, "infra_hf_66m_spi1_hck", "sysaxi_sel", 16), + GATE_INFRA2(CLK_INFRA_66M_SPI2_HCK, "infra_hf_66m_spi2_hck", "sysaxi_sel", 17), + GATE_INFRA2(CLK_INFRA_66M_FLASHIF_AXI, "infra_hf_66m_flashif_axi", "sysaxi_sel", 18), + GATE_INFRA2_FLAGS(CLK_INFRA_RTC, "infra_f_frtc", "top_rtc_32k", 19, CLK_IS_CRITICAL), + GATE_INFRA2(CLK_INFRA_26M_ADC_BCK, "infra_f_26m_adc_bck", "csw_infra_f26m_sel", 20), + GATE_INFRA2(CLK_INFRA_RC_ADC, "infra_f_frc_adc", "infra_f_26m_adc_bck", 21), + GATE_INFRA2(CLK_INFRA_MSDC400, "infra_f_fmsdc400", "emmc_400m_sel", 22), + GATE_INFRA2(CLK_INFRA_MSDC2_HCK, "infra_f_fmsdc2_hck", "emmc_250m_sel", 23), + GATE_INFRA2(CLK_INFRA_133M_MSDC_0_HCK, "infra_hf_133m_msdc_0_hck", "sysaxi_sel", 24), + GATE_INFRA2(CLK_INFRA_66M_MSDC_0_HCK, "infra_66m_msdc_0_hck", "sysaxi_sel", 25), + GATE_INFRA2(CLK_INFRA_133M_CPUM_BCK, "infra_hf_133m_cpum_bck", "sysaxi_sel", 26), + GATE_INFRA2(CLK_INFRA_BIST2FPC, "infra_hf_fbist2fpc", "nfi1x_sel", 27), + GATE_INFRA2(CLK_INFRA_I2C_X16W_MCK_CK_P1, "infra_hf_i2c_x16w_mck_ck_p1", "sysaxi_sel", 29), + GATE_INFRA2(CLK_INFRA_I2C_X16W_PCK_CK_P1, "infra_hf_i2c_x16w_pck_ck_p1", "sysaxi_sel", 31), + /* INFRA3 */ + GATE_INFRA3(CLK_INFRA_133M_USB_HCK, "infra_133m_usb_hck", "sysaxi_sel", 0), + GATE_INFRA3(CLK_INFRA_133M_USB_HCK_CK_P1, "infra_133m_usb_hck_ck_p1", "sysaxi_sel", 1), + GATE_INFRA3(CLK_INFRA_66M_USB_HCK, "infra_66m_usb_hck", "sysaxi_sel", 2), + GATE_INFRA3(CLK_INFRA_66M_USB_HCK_CK_P1, "infra_66m_usb_hck_ck_p1", "sysaxi_sel", 3), + GATE_INFRA3(CLK_INFRA_USB_SYS, "infra_usb_sys", "usb_sys_sel", 4), + GATE_INFRA3(CLK_INFRA_USB_SYS_CK_P1, "infra_usb_sys_ck_p1", "usb_sys_p1_sel", 5), + GATE_INFRA3(CLK_INFRA_USB_REF, "infra_usb_ref", "top_xtal", 6), + GATE_INFRA3(CLK_INFRA_USB_CK_P1, "infra_usb_ck_p1", "top_xtal", 7), + GATE_INFRA3_FLAGS(CLK_INFRA_USB_FRMCNT, "infra_usb_frmcnt", "usb_frmcnt_sel", 8, + CLK_IS_CRITICAL), + GATE_INFRA3_FLAGS(CLK_INFRA_USB_FRMCNT_CK_P1, "infra_usb_frmcnt_ck_p1", "usb_frmcnt_p1_sel", + 9, CLK_IS_CRITICAL), + GATE_INFRA3(CLK_INFRA_USB_PIPE, "infra_usb_pipe", "sspxtp_sel", 10), + GATE_INFRA3(CLK_INFRA_USB_PIPE_CK_P1, "infra_usb_pipe_ck_p1", "usb_phy_sel", 11), + GATE_INFRA3(CLK_INFRA_USB_UTMI, "infra_usb_utmi", "top_xtal", 12), + GATE_INFRA3(CLK_INFRA_USB_UTMI_CK_P1, "infra_usb_utmi_ck_p1", "top_xtal", 13), + GATE_INFRA3(CLK_INFRA_USB_XHCI, "infra_usb_xhci", "usb_xhci_sel", 14), + GATE_INFRA3(CLK_INFRA_USB_XHCI_CK_P1, "infra_usb_xhci_ck_p1", "usb_xhci_p1_sel", 15), + GATE_INFRA3(CLK_INFRA_PCIE_GFMUX_TL_P0, "infra_pcie_gfmux_tl_ck_p0", + "infra_pcie_gfmux_tl_o_p0_sel", 20), + GATE_INFRA3(CLK_INFRA_PCIE_GFMUX_TL_P1, "infra_pcie_gfmux_tl_ck_p1", + "infra_pcie_gfmux_tl_o_p1_sel", 21), + GATE_INFRA3(CLK_INFRA_PCIE_GFMUX_TL_P2, "infra_pcie_gfmux_tl_ck_p2", + "infra_pcie_gfmux_tl_o_p2_sel", 22), + GATE_INFRA3(CLK_INFRA_PCIE_GFMUX_TL_P3, "infra_pcie_gfmux_tl_ck_p3", + "infra_pcie_gfmux_tl_o_p3_sel", 23), + GATE_INFRA3(CLK_INFRA_PCIE_PIPE_P0, "infra_pcie_pipe_ck_p0", "top_xtal", 24), + GATE_INFRA3(CLK_INFRA_PCIE_PIPE_P1, "infra_pcie_pipe_ck_p1", "top_xtal", 25), + GATE_INFRA3(CLK_INFRA_PCIE_PIPE_P2, "infra_pcie_pipe_ck_p2", "top_xtal", 26), + GATE_INFRA3(CLK_INFRA_PCIE_PIPE_P3, "infra_pcie_pipe_ck_p3", "top_xtal", 27), + GATE_INFRA3(CLK_INFRA_133M_PCIE_CK_P0, "infra_133m_pcie_ck_p0", "sysaxi_sel", 28), + GATE_INFRA3(CLK_INFRA_133M_PCIE_CK_P1, "infra_133m_pcie_ck_p1", "sysaxi_sel", 29), + GATE_INFRA3(CLK_INFRA_133M_PCIE_CK_P2, "infra_133m_pcie_ck_p2", "sysaxi_sel", 30), + GATE_INFRA3(CLK_INFRA_133M_PCIE_CK_P3, "infra_133m_pcie_ck_p3", "sysaxi_sel", 31), +}; + +static const struct mtk_clk_desc infra_desc = { + .clks = infra_clks, + .num_clks = ARRAY_SIZE(infra_clks), + .mux_clks = infra_muxes, + .num_mux_clks = ARRAY_SIZE(infra_muxes), + .clk_lock = &mt7988_clk_lock, +}; + +static const struct of_device_id of_match_clk_mt7988_infracfg[] = { + { .compatible = "mediatek,mt7988-infracfg", .data = &infra_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt7988_infracfg); + +static struct platform_driver clk_mt7988_infracfg_drv = { + .driver = { + .name = "clk-mt7988-infracfg", + .of_match_table = of_match_clk_mt7988_infracfg, + }, + .probe = mtk_clk_simple_probe, + .remove_new = mtk_clk_simple_remove, +}; +module_platform_driver(clk_mt7988_infracfg_drv); +MODULE_LICENSE("GPL"); |